High Quality Racing full circle crankshaft from Top Racing. The specialist Portuguese crankshaft manufacturer is a symbol of high quality crankshafts. Increased pre-compression in the cases for more efficient filling rate. Power band shifts to a higher rev range. Due to the increased inertia of the solid metal
Design, performance and torque are improved. It should, however, be used with 70cc cylinders. In 50cc cylinders, the performance increase is somewhat lower. The crankshaft is supplied with small end bearing. Made in Europe